Registration Dossier
Registration Dossier
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EC number: 241-367-9 | CAS number: 17345-61-8
Particle size distribution (Granulometry)
Administrative data
- Endpoint:
- particle size distribution (granulometry)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 22 March 2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 017
- Report date:
- 2017
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- ISO 13320 (Particle size analysis - Laser diffraction methods)
- Version / remarks:
- 2009
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- other: CIPAC MT 187
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- Laser scattering/diffraction
- Type of particle tested:
- agglomerate
- Type of distribution:
- volumetric distribution
Test material
- Reference substance name:
- 3,4-dihydroxybenzonitrile
- EC Number:
- 241-367-9
- EC Name:
- 3,4-dihydroxybenzonitrile
- Cas Number:
- 17345-61-8
- Molecular formula:
- C7H5NO2
- IUPAC Name:
- 3,4-dihydroxybenzonitrile
- Test material form:
- solid: particulate/powder
- Remarks:
- white to brownish
- Details on test material:
- Batch 151222
Constituent 1
Results and discussion
- Mass median aerodynamic diameter:
- >= 58.99 - <= 60.828 µm
- Geometric standard deviation:
- >= 2.215 - <= 2.236
Particle sizeopen allclose all
- Key result
- Percentile:
- D10
- Mean:
- >= 20.602 - <= 21.459 µm
- St. dev.:
- 0.293
- Key result
- Percentile:
- D50
- Mean:
- >= 58.99 - <= 60.828 µm
- St. dev.:
- 0.613
- Key result
- Percentile:
- D90
- Mean:
- >= 211.047 - <= 232.788 µm
- St. dev.:
- 8.18
Applicant's summary and conclusion
- Conclusions:
- The results of the laser diffraction test conducted to determine the particle size of CH02906 are
summarised below. The analysis was conducted using the small with kerosene as the dispersant.
Volume weighted mean: 94.891 μm
Median: 59.864 μm
Mode: 53.166 μm
MMAD (mass median aerodynamic diameter): 71.587 μm
d10 - 10 % of material is <: 20.986 μm
d50 - 50 % of material is <: 59.864 μm
d90 - 90 % of material is <: 220.221 μm
volume of sample < 10.00 μm
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